#5757E4#5757E4

#5757E4 is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.2% C 0.208 H 276.9°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#5757E4
RGB	rgb(87, 87, 228)
HSL	hsl(240, 72%, 62%)
HSV	hsv(240, 62%, 89%)
CMYK	cmyk(61.8%, 61.8%, 0%, 10.6%)
CIE-LAB	lab(44.86, 41.55, -71.73)
CIE-LCH	lch(44.86, 82.90, 300.08°)
OKLab	oklab(54.17% 0.025 -0.2066)
OKLCH	oklch(54.17% 0.208 276.9)
XYZ	xyz(21.3377, 14.4424, 75.0470)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757E4 #E4E457

analogous

#579EE4 #5757E4 #9E57E4

triadic

#5757E4 #E45757 #57E457

tetradic

#5757E4 #E4579E #E4E457 #57E49E

square

#5757E4 #E4579E #E4E457 #57E49E

split-complementary

#5757E4 #E49E57 #9EE457

monochromatic

#1B1BA6 #2323DB #5757E4 #8C8CEC #C0C0F5

Accessibility & contrast

On white

5.40

#5757E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#5757E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757E4

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757E4	#FFFFFF	#000000	##FFFFFF
##5757E4	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E9

Deuteranopia (green-blind)

#0064E1

Tritanopia (blue-blind)

#007A95

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5757e4;
/* rgb */ color: rgb(87, 87, 228);
/* oklch */ color: oklch(54.2% 0.208 276.9);

Tailwind

colors: {
  custom: {
    50: '#9587ee',
    500: '#5757e4',
    950: '#000000',
  },
}

SCSS

$custom: #5757e4;
$custom-light: #9587ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5757e4",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 228
  },
  "hsl": {
    "h": 240,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.54166,
    "c": 0.20808,
    "h": 276.9
  },
  "luminance": 0.14444
}

Semantic roles & 50–950 ramp

primary

#5757E4

secondary

#E6E6B1

accent

#D411D4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B16

muted

#7E7C84

Preview Lab

Preview with #5757E4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →